Home / 2,433.60-3,358-1,371.40

Finding the Fourth Proportional to 2,433.60, 3,358 and 1,371.40

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Solution

The fourth proportional to 2,433.60, 3,358 and 1,371.40 is: 1,892.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,433.60 : 3,358 = 1,371.40 : x
  2. Step 2: Convert to fraction form
    2,433.60/3,358 = 1,371.40/x
  3. Step 3: Cross multiply
    2,433.60x = 3,358 × 1,371.40
  4. Step 4: Simplify right side
    2,433.60x = 4,605,161.20
  5. Step 5: Solve for x
    x = 4,605,161.20/2,433.60
  6. Step 6: Final answer
    x = 1,892.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.